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io_uring/sqpoll: ensure that normal task_work is also run timely

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commit d13ddd9c89 upstream.

With the move to private task_work, SQPOLL neglected to also run the
normal task_work, if any is pending. This will eventually get run, but
we should run it with the private task_work to ensure that things like
a final fput() is processed in a timely fashion.

Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/all/313824bc-799d-414f-96b7-e6de57c7e21d@gmail.com/
Reported-by: Andrew Udvare <audvare@gmail.com>
Fixes: af5d68f889 ("io_uring/sqpoll: manage task_work privately")
Tested-by: Christian Heusel <christian@heusel.eu>
Tested-by: Andrew Udvare <audvare@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jens Axboe
2024-05-21 12:31:12 -06:00
committed by Greg Kroah-Hartman
parent 462043fb66
commit f812f6dfcd
1 changed files with 4 additions and 2 deletions
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io_uring/sqpoll.c
+4 -2
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@@ -238,11 +238,13 @@ static unsigned int io_sq_tw(struct llist_node **retry_list, int max_entries)
if (*retry_list) {
*retry_list = io_handle_tw_list(*retry_list, &count, max_entries);
if (count >= max_entries)
return count;
goto out;
max_entries -= count;
}
*retry_list = tctx_task_work_run(tctx, max_entries, &count);
out:
if (task_work_pending(current))
task_work_run();
return count;
}